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timofeeve [1]
3 years ago
15

1 pts

Biology
1 answer:
WARRIOR [948]3 years ago
5 0

Answer:

I'm pretty sure the answer is natural selection.

Explanation:

Natural selection acts on phenotypic variations in populations.

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Explanation: I'm here for you buddy

3 0
2 years ago
Which statement describes a similarity between meiosis and mitosis
VLD [36.1K]

Mitosis produces 2 daughter cells which are genetically identical to the parent cell. Each daughter cell is diploid. A diploid means containing the normal amount of chromosomes. This is the result of DNA replication and 1 cell division. ... Meiosis is used to produce gametes which are sperm and egg cells, the cells of sexual reproduction.

They are similar because crossing over happens in both.  

6 0
3 years ago
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What is the function of chlorophyll a?
12345 [234]

Answer:

photosynthesis

Explanation:

Chlorophyll a absorbs the wavelengths of violet-blue and orange-red light and functions as a primary electron donor during the election transport chain in photosynthesis. It also functions in transporting energy to the reaction center where P680 and P700 are located.

7 0
3 years ago
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What term is used to describe organisms composed of identical and unspecialized cells?
Sedaia [141]

Answer:

Embryo cell or totipotent cell

Explanation:

All organisms during their embryonic stage also known as totipotent cells are composed of cells that are identical in structure and function. These cells can differentiate at a later stage and have the potential to become any cell i.e heart cell, eye cell etc. Embryo is thus just a mass of unspecialized cell which undergo differentiation to then convert into pluripotent and form tissues and hence the organ.

5 0
3 years ago
A lab tech is analyzing water samples and notices that one of her samples is more green. What does this tell her about the sampl
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The green sample possibly contains algae or some other sort of bacteria
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